TOPSFLO 12L/min flowrate air pump TM40-A Rated Voltage:12V; Current:1.5A; Max Flow Rate: 12L/Min; Max Pressure: 230KPa; Max vacuum: -75KPa High performance brush motor,long lifetime 3,000 hours, can sustain 24h continuous duty cycle Uncontaminated flow, dual bearings, super low noise Max 50dB & low vibration chemically resistant marterials PTFE, EPDM, FPM, FFPM Same design as KNF & Parker pumps:stress-optimised structure diaphragm,new design sealing system